下面位一段类代码块:
class Car():
def __init__(self,make,model,year):
self.make=make
self.model=model
self.year=year
self.odometer_reading=40
def get_description_name(self):
long_name=str(self.year)+' '+self.make+' '+self.model
return long_name.title()
def read_odometer(self):
print("this car has"+str(self.odometer_reading)+" miles on it")
def update_odometer(self,mileage):
if mileage >= self.odometer_reading:
self.odometer_reading=mileage
else:
print("you can't roll back an odometer")
my_new_car=Car('audi','a4',2014)
print(my_new_car.get_description_name())
my_new_car.update_odometer(20)
my_new_car.read_odometer()
class Car():
def __init__(self,make,model,year):
self.make=make
self.model=model
self.year=year
self.odometer_reading=40
def get_description_name(self):
long_name=str(self.year)+' '+self.make+' '+self.model
return long_name.title()
def read_odometer(self):
print("this car has"+str(self.odometer_reading)+" miles on it")
def update_odometer(self,mileage):
if mileage >= self.odometer_reading:
self.odometer_reading=mileage
else:
print("you can't roll back an odometer")
def increment_odometer(self,miles):
self.odometer_reading+=miles
my_used_car=Car('subaru','outback',2013)
print(my_used_car.get_description_name())
my_used_car.update_odometer(23500)
my_used_car.read_odometer()
my_used_car.increment_odometer(100)
my_used_car.read_odometer()